单项选择题
A.chdeb -1 hdiskxxx -a pv=clear; chdev -1 hdiskxx -a pv=yes
B.exportvg datavg; importvg -y rootvg hdiskxx
C.rmdev -1 hdiskxxx; mkdev -1 hdiskxxx -a pv=avail
D.reducevg datavg hdiskxxx; extendvg rootvg hdiskxxx
单项选择题 Which of the following actions will occur once the reorgvg command is used?（）
单项选择题 During a system administrator attempt to boot a server in normal mode, the boot process displays LED 299 and Led 201 and then stops. The LED 201 indicates that a ROS init or checkstop was detected. Which of the following options is the most probable cause?（）
单项选择题 In order to change the system runlevel and execute /etc/inittab entries based on the new runlevel, which of the following commands should be performed?（）